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Paytm (One97 Communications Limited) Interview Experience for Fresher SDE - 1, Aug 2020

Posted: 4 Jan 2021
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Interview Rounds
Application Process

Interview Process

Online Coding Test

Moderate
Duration:
70 minutes
Interview-Date:
6 Aug 2020
Problems:
3

Timing: 6:00 pm
3 coding questions of medium to be solved in 70 minutes.

Maximum Subarray Sum

Given an array of numbers, find the maximum sum of any contiguous subarray of the array.

For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 1...

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Closest Leaf To Given Node In Binary Tree

Ninja is stuck in a maze which is in a form of a binary tree. He needs your help in order to get out.

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Rotting Oranges

You have been given a grid containing some oranges. Each cell of this grid has one of the three integers values:

  • Value 0 - representing an empty cell.
  • Value 1 - r...
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    Round - 2

    Preparation

    Duration:
    2
    Topics:
    Data Structures, Algorithms, DP, OOPS, Operating Systems, Computer Networks, DBMS
    Preparation Tip

    Tip 1 : DSA is the key. Starting from scratch, one can become proficients in a couple of months.
    Tip 2 : Solve questions just a bit outside your comfort zone. Solve too easy to too hard questions is not of any use.
    Tip 3 : Be consistent, make a habit of following good coding practices.
    Tip 4 : Get to know the ins and out of your projects. You must be very confident while explaining those.
    Tip 5 : Don't just directly to system-design, brush up on OOPS principles, networks, OS, DBMS before that.

    Application Process

    Where:
    Campus
    Eligibility:
    None except no active backlogs
    Resume Tip

    Tip 1: Keep it crisp and to the point. Make bullet points.
    Tip 2: Bold the things you want to be paid attention to. Use numbers rather than vague sentences.
    Tip 3: Only put the things you are confident about.
    Tip 4: Don't put things irrelevant to the job, it only dilutes the main content.

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    Hemant Sahu
    Education :
    Indraprastha Institute of Information Technology Delhi
    Computer Science Engineering
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